149 



upper lip or labrum is fused with the epipharynx and forms 

 the labrum-epipharynx which is grooved ; the lower lip 

 or labium, which represents the fused pair of 2nd maxillae r 



\ 



FIG. 28. The Spotted Gnat ( Anopheles maculipennis). Female^ 

 Magnified 4 diameters. A carrier of malaria. A locally common 

 British mosquito. With permission, from " British Museum 

 (Natural History) Special Guide, No. 7." 



is also grooved (labial gutter). The labrum-epipharynx 

 and the labium together form a tube within which are 

 the five stylets, namely, the two mandibles and the two 

 first maxillae with blade-like and finely-toothed cutting 



